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经营范围
发明名称
Improvements relating to railway car retarders
摘要
申请公布号
GB1029754(A)
申请公布日期
1966.05.18
申请号
GB19630005776
申请日期
1963.02.13
申请人
WESTINGHOUSE AIR BRAKE COMPANY
发明人
分类号
B61K7/04
主分类号
B61K7/04
代理机构
代理人
主权项
地址
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